Write the polynomial that represents the perimeter of the figure.
A. 2x2 - 7x + 4
B. 2x2 + 13x + 6
C. 2x2 - 5x + 4
D. x2 - 7x + 4
Answer: A
Mathematics
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Calculate the flow in the field F along the path C.F = - 
i + 
j + 
k , C is the curve 
0 ? t ? 1
A. 21
B. 0
C. 
D. 
Mathematics
Solve.An arrow is fired into the air with an initial velocity of 160 feet per second. The formula 
models the arrow's height above the ground, y, in feet, x seconds after it was shot into the air. When does the arrow reach its maximum height? What is that height?
A. 6 sec; 1200 ft B. 5 sec; 400 ft C. 5 sec; 80 ft D. 6 sec; 720 ft
Mathematics
Evaluate the expression (5+10i)(7-9i) and write the result in the form a + bi.
What will be an ideal response?
Mathematics
Factor.25x2 - 36
A. (5x - 6)2 B. (5x + 6)2 C. 25x2 - 36 D. (5x + 6)(5x - 6)
Mathematics